Pedestal apparatus having antenna attached thereto capable of biaxial motion

Abstract

Disclosed is a pedestal apparatus having an antenna attached thereto capable of biaxial motion. The pedestal apparatus according to one embodiment may comprise: a body; a first drive unit, arranged on the lower part of the body, for transmitting driving power; a second drive unit, arranged on the lower part of the body, for transmitting driving power; a first drive gear arranged on the upper part of the body and receiving driving power from the first drive unit; a second drive gear arranged on the upper part of the body opposite the first drive gear, and receiving driving power from the second drive unit; and a driven gear which rotates by receiving driving power from the first and second drive gears, and to which an antenna is connected, wherein the antenna can move biaxially in accordance with the rotational directions of the first and second drive gears.

The invention claimed is: 
     
       1. A pedestal apparatus having an antenna attached thereto capable of biaxial motion, the pedestal apparatus comprising:
 a body; 
 a first drive unit which is disposed on a lower portion of the body and transmits power; 
 a second drive unit which is disposed on the lower portion of the body and transmits power; 
 a first driving gear which is disposed on an upper portion of the body and receives power from the first drive unit; 
 a second driving gear which is disposed on the upper portion of the body so as to face the first driving gear and receives power from the second drive unit; and 
 a driven gear which is rotated by receiving power from the first driving gear and the second driving gear and connects to the antenna; 
 wherein the antenna performs biaxial motion in accordance with rotation directions of the first driving gear and the second driving gear; and 
 wherein the first drive unit and the second drive unit rotate the first driving gear and the second driving gear in the same direction so that the antenna is rotated about one axis, and the first drive unit and the second drive unit rotate the first driving gear and the second driving gear in different directions so that the antenna is rotated about the other axis orthogonal to the one axis. 
 
     
     
       2. The pedestal apparatus of  claim 1 , comprising:
 a first driving belt which is connected to a driving shaft of the first drive unit, controls the rotation direction of the first driving gear, and transmits power to the first driving gear, and a second driving belt which is connected to a driving shaft of the second drive unit, controls the rotation direction of the second driving gear, and transmits power to the second driving gear. 
 
     
     
       3. The pedestal apparatus of  claim 2 , wherein the driven gear includes:
 a first driven gear which engages with the first driving gear and the second driving gear; and 
 a second driven gear which faces the first driven gear and engages with the first driving gear and the second driving gear. 
 
     
     
       4. The pedestal apparatus of  claim 3 , comprising:
 a first support member which is coupled to one side of the first driven gear and has a first support that extends radially from one side; and a second support member which is coupled to one side of the second driven gear and has a second support that extends radially from one side. 
 
     
     
       5. The pedestal apparatus of  claim 4 , comprising:
 a support plate which is connected to the first support member and the second support member and has an antenna coupling hole in which the antenna is mounted. 
 
     
     
       6. A pedestal apparatus having an antenna attached thereto capable of biaxial motion, the pedestal apparatus comprising:
 a body; 
 a first drive unit which is disposed adjacent to the body and transmits power; 
 a second drive unit which is disposed adjacent to the body and transmits power; 
 a driving power transmitting unit which is connected to the body and receives power from the first drive unit and the second drive unit to allow the antenna to perform biaxial motion; and 
 an antenna coupling unit which is biaxially and rotatably connected to the driving power transmitting unit and has one end at which the antenna is mounted; 
 wherein the driving power transmitting unit includes:
 a first rotary link which is connected to the first drive unit; 
 a second rotary link which is connected to the second drive unit; 
 an inner adjustment link which is coupled to one end of the first rotary link; 
 an outer adjustment link which is coupled to one end of the second rotary link;
 an inner gimbal which has one side connected to the inner adjustment link and one end at which the antenna coupling unit is mounted; and 
 an outer gimbal which has one side connected to the outer adjustment link and connects to the inner gimbal. 
 
 
 
     
     
       7. The pedestal apparatus of  claim 6 , wherein the first drive unit rotates the first rotary link so that the antenna is rotated about one axis, and the second drive unit rotates the second rotary link so that the antenna is rotated about the other axis orthogonal to one axis. 
     
     
       8. A pedestal apparatus having an antenna attached thereto capable of biaxial motion, the pedestal apparatus comprising:
 a body; 
 a first drive unit which is disposed adjacent to the body and transmits power; 
 a second drive unit which is disposed adjacent to the body and transmits power; 
 a driving power transmitting unit which is connected to the body and receives power from the first drive unit and the second drive unit to allow the antenna to perform biaxial motion; and 
 an antenna coupling unit which is biaxially and rotatably connected to the driving power transmitting unit and has one end at which the antenna is mounted; 
 wherein the driving power transmitting unit includes:
 a first driving gear which is disposed on an upper portion of the body and receives power from the first drive unit; and 
 a second driving gear which is disposed on the upper portion of the body so as to be orthogonal to the first driving gear and receives power from the second drive unit; and 
 
 the antenna coupling unit includes:
 a first coupling portion which is disposed at one side thereof and connected to the first driving gear; and 
 a second coupling portion which is disposed adjacent to the first coupling portion and connected to the second driving gear. 
 
 
     
     
       9. The pedestal apparatus of  claim 8 , comprising:
 a first rotary member which is attached to the first driving gear and rotatable about one axis; and 
 a second rotary member which is attached to the second driving gear and rotatable about the other axis. 
 
     
     
       10. The pedestal apparatus of  claim 9 , wherein the first rotary member includes a first support shaft which is aligned with a rotation axis of the second driving gear and connected to the first coupling portion, and the second rotary member includes a second support shaft which is aligned with a rotation axis of the first driving gear and connected to the second coupling portion. 
     
     
       11. A pedestal apparatus having an antenna attached thereto capable of biaxial motion, the pedestal apparatus comprising:
 a body; 
 a first drive unit which is disposed adjacent to the body and transmits power; 
 a second drive unit which is disposed adjacent to the body and transmits power; 
 a driving power transmitting unit which is connected to the body and receives power from the first drive unit and the second drive unit to allow the antenna to perform biaxial motion; and 
 an antenna coupling unit which is biaxially and rotatably connected to the driving power transmitting unit and has one end at which the antenna is mounted; 
 wherein the driving power transmitting unit includes:
 a first driving gear which is disposed at one side of the body and receives power from the first drive unit; 
 a second driving gear which is disposed at the other side of the body so as to be spaced apart from the first driving gear and receives power from the second drive unit; 
 an outer gimbal which is connected to the first driving gear inside the body so as to be rotatable in one axial direction and has a first antenna path at one side thereof; and 
 an inner gimbal which is connected to the second driving gear inside the body so as to be rotatable in the other axial direction and has a second antenna path therein; and 
 
 the antenna coupling unit is disposed in the first antenna path and the second antenna path and connected to the inner gimbal. 
 
     
     
       12. The pedestal apparatus of  claim 11 , wherein the first drive unit rotates the first driving gear so that the antenna coupling unit is moved along the first antenna path, the second drive unit rotates the second driving gear so that the antenna coupling unit is moved along the second antenna path, and the antenna performs biaxial motion in accordance with a rotation of the first driving gear and a rotation of the second driving gear. 
     
     
       13. The pedestal apparatus of  claim 12 , wherein the outer gimbal is formed in a curved shape in a direction outward from the body, and the first antenna path is formed along a circumference of the outer gimbal.